Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
April 19, 2023
Submitted
May 1, 2023
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
61,807 hours, 36,935 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FWD L/H EMERGENCY LIGHT BATTERY M1675 WILL NOT HOLD CHARGE<[01] REMOVED BATTERY PACK AT M1675 IAW AMM 33-51-06-960-805 STEP 4.E.(1) UP TO (4).;[02] OK TO INSTALL BATTERY PACK AT M1675;[03] INSTALLED NEW BATTERY PACK AT M1675 IAW AMM 33-51-06-960-805 STEP 4E.(5)(6).F.(1) AND WDM 33-51-12 PG. 2 SHEET 1. OPS CHECK GOOD. A-TAG# WN29929.;[04] VERIFIED STEP 3<BR>AUDIT CW

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